Overheating can refer to:

• Overheating of a technical device, for example a car engine or a disk laser, increase in temperature leading to reduced efficiency, damage or even destruction. (see also Thermal shock)
• Hyperthermia (also called sunstroke), a condition of the human body in which internal temperature increases, which leads to (temporary) loss of consciousness.
• Overheating (economics) rapid growth of production which is believed to have negative influence to the development of a country.

See also: Thermal runaway

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